SPRAY PROGRAM FOR FLORIDA DOORYARD GRAPES J. A. Mortensen, T. C. Adlerz, D. L. Hopkins, and C. F. Balerdi Teasnoons Amount spreader- Days1 per sticker before Fungus or insect Time to spray Spray material gallon per gallon harvest controlled Mid-winter, any time (Fungicide) fungus diseases before bud swell Basic copper sulfate 4 TES. 0 0 except anthracnose Bearing vines: when new'I (Fungicides) shoots begin growing; rz:: ,te D or 1 TBS. 1 7 anthracnose repeat every 10 days \Dithane M22 Special 1 TBS. 1 7 black rot thereafter until berries (or Captan 2 TBS. 1 0 bitter rot are 1/2 inch in diameter; rine rot after harvest, spray loaf spot every 30 days until f downy mildew Oct. 1. Non bearing vines: apply monthly during / active growth Mix with the above fungi- (Insecticides) cide application when Malathion 50-57% EC2 2 tsp. 1/2 3 aphids (Malathion only) insect damage appears; or Malathion 25% WP3 4 TBS. 1 3 caterpillars spray fungicide only or Sevin 50% WP 2 TBS. 1 0 leafhoppers during flowering 'or Sevin 80% WP 4 tsp. 1 0 flea beetles (blue) Sor Sevin 23-25% flowable 4 tsp. 1 0 fruit beetles, wasps Any time powdery mildew (Fungicide) appears, except within Karathane 25% WP 1 tsp. 1 21 powdery mildew 3 weeks of harvest Any time ants are (Insecticide) Apply as a drench to damaging the grape Chlordane 44% EC 4 tsp. 0 -ant beds, not plants, foliage to control ants. 2 This is the recommended minimum number of days between last EC = emulsifiable concentrate. 3 WP = wettable powder. Note: TBS = tablespoon: tsp = teaspoon application of the pesticide and harvest. Mimeo Report 71-3, Leesburg ARC. June 1, 1971 300 copies